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JAMES fn.' PARKER, ...JAMES T. HALL, AND ISAAC PIERCE, or rEENTeN,

f NEW YORK.

Leners Patent No. 62,970, .zaad March 19, 18671 IMPROVEMENT IN HORSE HAY-FORKS.

T0 AEL WHGM I'l MAY CON CERN:

Ee it known that we, JAMES H. PARKER, JAMES T. HALL, and IsAAc Pinnen, all` of Trenton, in the county of Oneida, and State of .New York, have invented a new and -useful :improvement in Hay Elevators g and we do hereby declare the following to be a full and exact description thereof, reference being had to the accompanying, drawings, and to the iettors oi reference marked thereon.

Our invention consists in the combination and arrangement of a yoke, cross-head, paWL'ratchet-wheels,

and spiral tines, constructed, arranged, combined, and operating in the manner hereinafter described.

To enable others skilled in the art to make and 'use our invention, we will proceed to describe its construction and operation. f

In the accompanying drawings, which ferm part of this specieation, A represents the cross-head, which is provided with bearings, h, for the axis of the tines C and a guide, g, for the shank @e ofthe pawlf, whieh'moves in a recess made in the crosshead. To each end of the cross-head A are secured the ends of the yoke B, which is provided with 'a pulley, n, over which passes the cord or rope m, which is used for'unshipping the pawl f. The cord or rope m is ,secured to a ring, z', in the shank a; of the pawlf. The hoisting rope lis attached to the yoke B at the point marked O. The tincs C are in form. spiral, and resemble an ordinary cork-screw, and are made tapering from the peint up to the ratchet-wheels e, which are secured on the tines in a permanent manner. The tincs are secured and held in'their bearings 't by riveting washers er securingsutable collars on their upper end, 'as indicated at the point marked 2.

A s the construction and arrangement ofv the several parts of our hay elevator, and the relation the sai-d parte bear to each other, will readily be understood by reference to the accompanying drawings, we' will without further description proceed to describe the operation ef'our improvement, which is as follows: All things being constructed and arranged as herein'described, and as represented in the accompanying drawings, we press down on the yoke B, which will cause the tines C to enter the haythe tines revolving and winding their way into 'the hay by the pressure upon them and by their spiral forni. After they have entered the hay the desired distance power is applied to the rope l, and the elevator and its loadare hoisted to the desired place. New, by peiling on the oord or rope n the pawlfwllbccome unshippedfrom the ratchet-wheels e, and the weight ot the hay en the tines will impart to them a revolving motion, which will cause them to unwind and become released from the hay. '4 I i The important point in ourcinvention consists in the use of two spiral tines, one having a right, andthe other a left-hand twist, and arranged and eombined'with relation te each other so that they will bind and lock the hay between them when held in a fixed position, so that itcannot possibly-,slip or slide down on the tines until said tines are released and allowed to revolve. This will readily'appear by reference to the accompanying drawings; for, be .it observed, that the distance between the tines at part marked 4 is greater than that at part marked 5,- hence the hay must become bound or locked in between these points, and can only be released bythe revolving of the tines. g

We are aware'that a single tine has been used for elevating hay, and we are aware that two spiral tines, in combination with vtwo straight tines, placed at rightangles to across-head, have also been used for like purpose.

.We therefore de not claim broadly the spiraltines, but what we de claim, is

l. Two spiral tines, one having arightdland, the other a left-hand twist, and so arranged and heid with relation to each other, when inthe hay, that it will be bound and held from sliding and slipping oit the tines until they are allowed to revolve at the will and pleasure of the operator.

2. The combination .and arrangement of the yoke B, crossliead A, tincs C, ratchetnvheels e, and pawlf, constructed arranged, and operating in the manner hereih dcribed, and ,for thevpurpose set forth.

' JAMES H. PARKER,

JAMES T. HALL, ISAAC PIERCE.'

Witnesses A. J. Barcos, J'. W; OWEN. 

